Radiographic method for anatomic study of the teat canal: changes with lactation age.
D000818:Animals; D002417:Cattle / Q000033:anatomy & histology*; D005260:Female; D007774:Lactation; D008321:Mammary Glands, Animal / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D008327:Mammography / Q000662:veterinary; D011247:Pregnancy